Oddly a Lvl 18 (Blue) Blurred Trickster mod I found with +17% Fire adds 3 to Kinetic Reflection and 2 to Life tap

Now what may be better fire rate wise may not aid to as much to what skills you're investing in. Happy character building guys! ^^

Warder

Increases shield capacity

Witch

Increases corrode chance and corrode damage

User: Ben Chu Ovier note- Manufactured by Maliwan

Certain modes will help with the skill tree motion but this is may be because the motion skill aids with overall crowd control and various gun use therefore adding to special weapons elemental damage but I am working on a cataclysm heavy build so how this pairs with the third tier cloud kill skill is highly useful.

Notes from User Ben Chu Ovier: I'm currently researching and adding details for players who are recently getting into Borderlands 2 like I am and are deep planners.

Keep in mind certain class mods that boost the number of skill points invested in a skill require at least one point to be placed towards the skill. This has affected how I build my classes. Example: I'm building a Siren class that is Cataclysm skill tree heavy therefore I want to boost the skills I use but certain mods will help with damage boost towards certain elemental effects I rely heavily on but boost a skill that I'm currently not speced into so whether or not you have a class mod that helps with what you're buidling towards partly; it is up to you to keep or play on without.